What causes Blurred Vision?
Concentrated tasks can cause tired eyes and blurred vision. If you spend a long time using a computer or watching television, your eyes can become tired and your vision blurred. Using a computer does not cause permanent damage to your eyes. However working on a computer is a demanding visual task that can cause eye discomfort. If you have an uncorrected vision problem, this can make computer use uncomfortable and can lead to blurred vision and eye strain. Whenever you concentrate on a computer screen or watch television, you tend to blink less often which can lead to your eyes drying out. This is made worse if you are in a dry environment, such as a heated or air conditioned office. Some people experience blurred vision particularly at night. There are a number of reasons why your eyes may go blurry at night. For example: • You are tired and your visual system is fatigued • You have a refractive error such as long sightedness or astigmatism. During the day you may be able to compensate
